InChI=1S/C22H23ClN2O9/c1-21(33)7-5-8-15(24-2)17(29)13(20(32)25-6-26)19(31)22(8,34)18(30)11(7)16(28)12-10(27)4-3-9(23)14(12)21/h3-4,7-8,15,24,26-27,29-30,33-34H,5-6H2,1-2H3,(H,25,32)/t7-,8-,15?,21-,22-/m0/s1